2N5685-Transistor NPN Power Amplifier Transistor in TO-18 Metal Can Package by ON Semiconductor

2N5685-Transistor Overview

The 2N5685 is a high-power NPN silicon transistor designed for medium to high voltage switching and amplification applications. With a collector-emitter voltage rating of 80V and a collector current capability of up to 12A, this transistor offers robust performance in demanding industrial and automotive settings. Its complementary design and reliable gain characteristics make it suitable for power amplification and driver circuits. Engineered for durability and efficiency, the device ensures stable operation with a maximum power dissipation of 75W. For sourcing and detailed component data, refer to IC Manufacturer.

2N5685-Transistor Technical Specifications

2N5685-Transistor Key Features

• High Current Handling: Supports collector currents up to 12A, enabling efficient power switching and amplification in high-load circuits.
• Robust Voltage Ratings: Withstands collector-emitter voltages up to 80V, providing reliability in medium voltage power applications.
• Wide Power Dissipation: The 75W maximum power rating ensures thermal stability and long-term operation under heavy load conditions.
• TO-3 Package Design: Metal can packaging enhances heat dissipation, improving reliability and enabling higher power operation.

Typical Applications

• Power amplifier stages in audio and industrial signal processing circuits, where high current and voltage capacity are required for efficient operation.
• Switching regulators and power control circuits that demand rapid switching with substantial load currents.
• Motor control and driver circuits in automotive and industrial environments, benefiting from the transistor’s robustness and thermal handling.
• General-purpose medium power switching tasks within electronic equipment, including relay drivers and voltage regulators.

2N5685-Transistor Advantages vs Typical Alternatives

The 2N5685 transistor provides a compelling balance of high current capacity and voltage handling within a durable TO-3 package, offering superior thermal management compared to plastic-encapsulated alternatives. Its reliable gain range and power dissipation capability make it ideal for applications requiring stability under heavy loads and thermal stress. This combination enhances circuit reliability and longevity, distinguishing it from typical small-signal or low-power transistors.

2N5685-Transistor Brand Info

The 2N5685 transistor is a classic silicon power transistor originally introduced by semiconductor manufacturers such as Fairchild Semiconductor and later produced by several other industry-leading brands. It remains a trusted component for power switching and amplification tasks, retaining relevance in legacy and industrial electronics. The device is widely available through major distributors and is supported by comprehensive datasheets and application notes, ensuring ease of integration and dependable sourcing.

FAQ

What type of transistor is the 2N5685 and what are its primary characteristics?

The 2N5685 is an NPN bipolar junction transistor designed for medium power switching and amplification. It features a collector-emitter voltage rating of 80V, a collector current capacity of 12A, and a power dissipation rating of 75W, making it suitable for demanding industrial applications.

In which package is the 2N5685 transistor typically supplied?